Drive Moment - In Social Settings, Do You Have To Greet The People That You Dont Like? Or Have Beef With?

While human beings are social by nature, we are not perfect. Sometimes in social settings, around people we do like,

there may be somebody in the room that you might not like, or have beef with. After greeting everyone else, do you have

to greet the people you don't like as well? And why do these moments feel so awkward?